RFR: 8337217: Port VirtualMemoryTracker to use VMATree [v36]

Afshin Zafari azafari at openjdk.org
Fri Mar 7 08:05:29 UTC 2025


> - `VMATree` is used instead of `SortedLinkList` in new class `VirtualMemoryTracker`.
>  -  A wrapper/helper `RegionTree` is made around VMATree to make some calls easier.
>  - `find_reserved_region()` is used in 4 cases, it will be removed in further PRs.
>  - All tier1 tests pass except this https://bugs.openjdk.org/browse/JDK-8335167.

Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:

  more reviews.

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/20425/files
  - new: https://git.openjdk.org/jdk/pull/20425/files/f2f1a800..cfab60fd

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20425&range=35
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20425&range=34-35

  Stats: 14 lines in 2 files changed: 0 ins; 12 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/20425.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20425/head:pull/20425

PR: https://git.openjdk.org/jdk/pull/20425


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